Re: Electrets, Hey Scott

In article <kVgRe.7464$iM2.750261@xxxxxxxxxxxxxxx>,
"Neon Sound" <no@xxxxxxxx> wrote:

> "Bob Cain" <arcane@xxxxxxxxxxxxxxxxx> wrote in message
> news:df3for0lg5@xxxxxxxxxxxxxxxxxxxxx
> >
> >
> > Actually, you can make them externally polarized. Just apply a voltage
> > between diaphragm and back plate. The E field will add to whatever is
> > there from the electret whether it's on the diaphragm or the plate.
> >
> Are you kidding?
> (1) Good luck finding 1 gigaohm resistors to bias the capsual.
> (2) Good luck finding somewhere to attach a wire to the diaphragm.

Now I'm really confused. Wouldn't there have to be a connection to the
diaphragm, in the first place?

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Relevant Pages

  • Re: Electrets, Hey Scott
    ... Failing that, would it be possible to convert them to externally polarized? ... apply a voltage between diaphragm and back plate. ... The E field will add to whatever is there from the electret whether it's on the diaphragm or the plate. ...
    (rec.audio.pro)
  • Re: budget mic/preamp question (transparency vs character/warmth)
    ... frequency of the diaphragm which can cause increased signal output. ... The increased voltage moves the diaphragm towards the back plate. ... The reported increase in sensitivity would ...
    (rec.audio.pro)
  • Re: Electrets, Hey Scott
    ... apply a voltage between diaphragm and back plate. ... construction of the individual mic. ...
    (rec.audio.pro)
  • Re: Electrets, Hey Scott
    ... Just apply a voltage ... > there from the electret whether it's on the diaphragm or the plate. ... Good luck finding somewhere to attach a wire to the diaphragm. ...
    (rec.audio.pro)
  • Re: Electrets, Hey Scott
    ... >apply a voltage between diaphragm and back plate. ... you'd have to replace the electret with a conductive backplate. ... C'est suisse, et tres, tres precis." ...
    (rec.audio.pro)